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Tazewell County, Illinois — public water systems

At a glance

83 active public water systems are filed under Tazewell County, Illinois in EPA's SDWIS records, together reporting 129,226 people served. The largest is Il American-Pekin, which reports serving 31,731 people. 29 are community water systems serving people where they live; the other 54 are non-community systems, such as schools, workplaces, campgrounds and gas stations with their own supply.

Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.

Active systems

83

Population served

129.2K

Community systems

29

Groundwater share

100%

How does Tazewell County compare with other Illinois counties?

Tazewell County has the 11th-most active public water systems among the 149 counties listed for active Illinois systems in EPA records; among the 104 with 3 or more systems, the median has 18. Its systems report 129,226 people served in total, the 15th-largest county figure in the state and 1% of the statewide total. The average system here reports serving 1,557 people, about half of the Illinois average of 3,204. Population figures are what each system reports; people served by more than one system, such as a wholesaler and the town that buys from it, are counted by each.

Where does Tazewell County's drinking water come from?

By primary water source, Tazewell County's active systems draw on groundwater (80, 96%) and purchased groundwater (3, 3.6%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 82% and 18% across Illinois. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Il American-Pekin, draws primarily on groundwater.

What kinds of water systems operate in Tazewell County?

Tazewell County's active systems break down as 29 community systems (35%), 11 non-transient non-community systems (13%) and 43 transient non-community systems (52%). A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. EPA lists their owner types as private (69%), local government (22%), public/private partnership (7.2%) and federal government (1.2%).

The 50 largest water systems in Tazewell County

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Active public water systems in Tazewell County, Illinois
#Water systemCountyPopulation servedTypeSource
1Il American-PekinTazewell31,731CommunityGroundwater
2East PeoriaTazewell22,284CommunityGroundwater
3MortonTazewell17,111CommunityGroundwater
4WashingtonTazewell14,793CommunityGroundwater
5North Tazewell PWDTazewell7,625CommunityGroundwater
6Creve CoeurTazewell4,934CommunityGroundwater
7MackinawTazewell3,399CommunityGroundwater
8Marquette HeightsTazewell2,974CommunityGroundwater
9Groveland Township Water DistrictTazewell2,185CommunityGroundwater
10TremontTazewell2,114CommunityGroundwater
11DelavanTazewell1,743CommunityGroundwater
12Pekin Fed Correctional Inst and PrsncmpTazewell1,635CommunityPurchased groundwater
13North PekinTazewell1,478CommunityGroundwater
14MinierTazewell1,180CommunityGroundwater
15Il American-Washington EstatesTazewell1,143CommunityPurchased groundwater
16South PekinTazewell996CommunityGroundwater
17HopedaleTazewell830CommunityGroundwater
18Kennel Lake Sportsmens ClubTazewell700Transient non-communityGroundwater
19Deer CreekTazewell647CommunityGroundwater
20Green ValleyTazewell638CommunityGroundwater
21Crossroads Methodist Church, Inc.Tazewell600Transient non-communityGroundwater
22Thorton Oil 351Tazewell600Transient non-communityGroundwater
23Caterpillar Peoria Proving GrdTazewell535Non-transient non-communityGroundwater
24Bay View Baptist ChurchTazewell425Non-transient non-communityGroundwater
25Faith Christian CenterTazewell400Transient non-communityGroundwater
26ArmingtonTazewell310CommunityGroundwater
27St Johns Lutheran ChurchTazewell300Transient non-communityGroundwater
28Lake Windermere Estates SubdivisionTazewell300CommunityGroundwater
29Cornerstone Baptist ChurchTazewell300Transient non-communityGroundwater
30New Castle Bible ChurchTazewell250Transient non-communityGroundwater
31Hopedale Mennonite ChurchTazewell250Transient non-communityGroundwater
32Uaw Senior Citizens CenterTazewell240CommunityPurchased groundwater
33Midwest Generation - PowertonTazewell240Non-transient non-communityGroundwater
34Rankin School District No 98Tazewell240Non-transient non-communityGroundwater
35Venado Lakes-Argyll Water AssociationTazewell215CommunityGroundwater
36Harvard Hills Water CorporationTazewell215CommunityGroundwater
37Pine Lakes Golf ClubTazewell200Transient non-communityGroundwater
38Faith Christian Activity CenteTazewell200Transient non-communityGroundwater
39Apostolic Christian Church (135673)Tazewell200Transient non-communityGroundwater
40Washington American LegionTazewell180Transient non-communityGroundwater
41Tres Rojas WineryTazewell180Transient non-communityGroundwater
42Excel Foundry & MachineTazewell165Non-transient non-communityGroundwater
43Rankin School Dist (148430)Tazewell158Non-transient non-communityGroundwater
44Spring Lake Consol SchoolTazewell125Non-transient non-communityGroundwater
45Oak Lane Acres SubdivisionTazewell120CommunityGroundwater
46Victorious Life Bible ChurchTazewell100Transient non-communityGroundwater
47Boley Tool and Machine WorksTazewell100Non-transient non-communityGroundwater
48Averyville Baptist ChurchTazewell100Transient non-communityGroundwater
49Carrigans PubTazewell100Transient non-communityGroundwater
50Brock Lake Nunley FieldTazewell100Transient non-communityGroundwater

All other water systems in Tazewell County (33)

The remaining active systems filed under Tazewell County, largest first, with the population each reports serving.

Tazewell County water systems: frequently asked questions

How many public water systems are in Tazewell County, Illinois?

EPA's SDWIS records file 83 active public water systems under Tazewell County, Illinois: 29 community systems (35%), 11 non-transient non-community systems (13%) and 43 transient non-community systems (52%).

Who supplies drinking water in Tazewell County, IL?

The largest community water systems filed under Tazewell County are Il American-Pekin (31,731 people served), East Peoria (22,284 people served) and Morton (17,111 people served). Which system serves a particular address depends on its service area, which EPA's SDWIS records do not include; a water bill or the local utility can confirm it.

Does Tazewell County's drinking water come from groundwater or surface water?

Of the 83 active public water systems in Tazewell County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Il American-Pekin, uses groundwater.

Where can I find a water quality report for Tazewell County?

Each community water system must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1, covering the previous calendar year. 29 community systems are filed under Tazewell County, so the report to look for is the one from the system that supplies your address.

How can I check violations for a water system in Tazewell County?

Open the system's profile from the list on this page. Each profile shows the most recent Safe Drinking Water Act violations in EPA's records, with plain-English labels and whether each one is resolved. For current compliance status, EPA ECHO is the primary source.

More Illinois water systems

About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Public water systems in Tazewell County, Illinois”, https://aquacensus.com/water-systems/illinois/tazewell (data as of October 1, 2026).